Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing our new design; and,

FIG. 2 is a front detail view thereof.

The evenly spaced broken lines in the figures depict environmental subject matter and form no part of the claimed design.

The dot-dash broken lines in the figures represent a boundary line that is excluded from the claim.

The dot-dot-dash broken line showing of the display screen is for environmental purposes only and forms no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 